Fibocom SU806 Series User Manual

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FIBOCOM SU806 Series Hardware Guide Page 38 of 91
100K
22R
22R
18pF
22R
22R
VDD1V85
RST
ESD
Connector
VCC
DATA
CLK
DET
UIM_VDD
UIM_DATA
UIM_CLK
UIM_RST
Module
UIM_DETECT
2.2uF
10 K
Figure 3-12 (U)SIM reference design
(U)SIM card design notice:
1) The length from the (U)SIM card holder to module should less than 100mm.
2) The layout and routing of the (U)SIM card must be kept away from EMI interference sources such as
RF antenna and digital switch power.
3) The decoupling capacitors of the (U)SIM card signal and the ESD device should be placed close to the
card holder.
3.7 SDIO
SU806 series module supports one SDIO interface. The pin definition is shown in the following table:
Table 3-11 SDIO pin definition
Pin Name
Pin
Number
I/O
Description
Note
SD_DET
45
DI
SD card detect
Active low
SD_DATA3
44
I/O
SD card data3
-
SD_DATA2
43
I/O
SD card data2
-
SD_DATA1
42
I/O
SD card data1
-
SD_DATA0
41
I/O
SD card data0
-
SD_CMD
40
I/O
SD card command
-

Fibocom SU806 Series Specifications

General

Brand	Fibocom
Model	SU806 Series
Category	Computer Hardware
Language	English